Matching Pairs ImmunityOnline version Broad by Dawn Forgione 1 Natural immunity - External 2 Dilation of capillaries (hyperemia) 3 Capillary permeability increases (diapedesis) 4 Chemotaxis 5 Factors that affect defense mechanisms 6 Humoral immunity 7 Natural / Nonspecific immunity 8 Inflammatory reponse 9 Cellular immunity 10 Formation of exudate 11 Nonspecific - second line of defense 12 Acquired immunity 13 Natural immunity 14 Natural immunity - Internal Redness, swelling, heat, pain Substances (antigens) in the blood are provided protection from microorganisms Structural barriers to keep infectious agents out of the body (skin, cilia, etc) First line of defense against infection (external and internal) Requires exposure to a pathogen, recovery usually results in a lifelong immunity Stomach acid, mucus linings, tears, ear wax.. Allows white blood cells to leave the blood and travel to the injured area Born with the ability to resist infections / normal bodily functions to increase blood flow to area Removal of foreign substances (antigens) by specialized cells (phagocytosis) Inflammatory response Age, hormones, drugs/chemicals, malnutrition, fatigue/stress, genetic factors Derived from plasma, containing antibacterial substances, phagocytic cells, and any present antibiotics Chemicals are released which cause phagocytic white cells to migrate to the area
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